- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.625-0.703 inches
- Fastener Length
- 2.703-2.750 inches
- Head Style
- Hexagon
- Head Height
- 0.234-0.266 inches
- Width Between Flats
- 0.615-0.627 inches
- Nominal Thread Diameter
- 0.438 inches
- Grip Length
- 2.047-2.078 inches
- Features Provided
- Finished head
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 125000 PSI
- Hardness Rating
- 26.0-32.0 Rockwell C
- Material
- Steel comp 4140/8740/8630/8735/4130/4037
- Material Spec
- MIL-S-5626/MIL-S-6049/MIL-S-6050/MIL-S-6098/MIL-S-6758/AMS 6300
- Surface Treatment
- Cadmium overall
- Thread Series Designator
- UNF
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.